igc: Remove no need declaration of the igc_free_q_vectors

We want to avoid forward-declarations of function if possible.
Rearrange the igc_free_q_vectors function implementation.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igc/igc_main.c

@@ -56,7 +56,6 @@ static int igc_sw_init(struct igc_adapter *);
 static void igc_write_itr(struct igc_q_vector *q_vector);
 static void igc_assign_vector(struct igc_q_vector *q_vector, int msix_vector);
 static void igc_free_q_vector(struct igc_adapter *adapter, int v_idx);
-static void igc_free_q_vectors(struct igc_adapter *adapter);
 
 enum latency_range {
 	lowest_latency = 0,
@@ -3118,19 +3117,6 @@ static void igc_set_interrupt_capability(struct igc_adapter *adapter,
 		adapter->flags |= IGC_FLAG_HAS_MSI;
 }
 
-/**
- * igc_clear_interrupt_scheme - reset the device to a state of no interrupts
- * @adapter: Pointer to adapter structure
- *
- * This function resets the device so that it has 0 rx queues, tx queues, and
- * MSI-X interrupts allocated.
- */
-static void igc_clear_interrupt_scheme(struct igc_adapter *adapter)
-{
-	igc_free_q_vectors(adapter);
-	igc_reset_interrupt_capability(adapter);
-}
-
 /**
  * igc_free_q_vectors - Free memory allocated for interrupt vectors
  * @adapter: board private structure to initialize
@@ -3153,6 +3139,19 @@ static void igc_free_q_vectors(struct igc_adapter *adapter)
 	}
 }
 
+/**
+ * igc_clear_interrupt_scheme - reset the device to a state of no interrupts
+ * @adapter: Pointer to adapter structure
+ *
+ * This function resets the device so that it has 0 rx queues, tx queues, and
+ * MSI-X interrupts allocated.
+ */
+static void igc_clear_interrupt_scheme(struct igc_adapter *adapter)
+{
+	igc_free_q_vectors(adapter);
+	igc_reset_interrupt_capability(adapter);
+}
+
 /**
  * igc_free_q_vector - Free memory allocated for specific interrupt vector
  * @adapter: board private structure to initialize